Shower curtain



FIG. 1 is a front elevational view of a shower curtain showing our new design;

FIG. 2 is a right-side elevational view thereof,

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left-side elevational view thereof; and,

FIG. 6 is bottom plan view thereof. 

The ornamental design for a shower curtain, as shown and described. 